Mid C# / .Net Engineer New London

Overview

Flagstone is an online savings platform reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people bound by a collaborative spirit and shared purpose, we are a thriving, profitable business where smart people do their best work. Our culture is our pride and competitive advantage, built on kindness, respect, and growth. We are creating a diverse, inclusive community where your voice is heard and valued, with close support and room to develop, and where you can surpass your own expectations and be rewarded for it. We may not change the world, but we can change the world of financial technology through drive, talent, and empathy.

Does this sound like you?

You’re a Back End Engineer, ideally with 3+ years’ experience, who’s excited to forge a new way to save. You’re focused on producing and maintaining high‑quality systems to achieve business objectives, contribute to the development process, and understand system design and architecture. You’ll work in partnership with relevant teams across the organization to identify how technology can solve business challenges and be able to explain how and why technology is designed and delivered.

What you’ll do

We are a Microsoft shop, so our core language is C# and our platform is entirely in the cloud on Azure where we use a variety of PaaS services including Web Apps, Functions, Azure SQL, Cosmos, Azure Service Bus, AppInsights, APIM, etc.

As a Back End Engineer, you will play an active role in an Agile software team, working collaboratively to develop new features and deliver a high‑quality, resilient product.

What you’ll bring

• Ideally over 3 years commercial development experience with C# / .Net / .Net Core
• A good understanding of SOLID principles, Event Driven Architecture (EDA) and Domain-Driven Design (DDD)
• Experience of RESTful API design
• Experience of Azure cloud development, and a cloud-first approach
• A good foundation in testing strategies or Test-Driven Development (TDD) methodologies
• Emotional intelligence. You actively listen and provide thoughtful solutions
• Proactivity and the ability to demonstrate initiative positively and collaboratively
• Excellent verbal and written communication, with the ability to communicate technical information to both technical and non-technical stakeholders

How we reward you

At Flagstone, the benefits extend beyond token gifts. We invest in your health, wealth, and professional development. Here’s a selection of our benefits :

All are welcome.

At Flagstone, we’re assembling a diverse team that defies our industry’s norms. If you think this role could suit you, we encourage you to apply, regardless of background.

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